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Individual Calculations January 2009 |
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| Sibashvili, Giorgi Total change: 7.50 | |   |
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| GEO 68 Ch (Qual) | Tbilisi | GEO | 2008-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1726 | 1.50 | 7 | -1.02 | 25 | -25.50 | |
|  Jalabadze, Natia | | | 2023 | GEO | 0.00 | 1 | -0.15 | 25 | -3.75 | |  Tsereteli, Kakhaber | | | 1963 | GEO | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Ervandian, Andro | | | 1910 | GEO | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Lomidze, Giorgi | | | 1893 | GEO | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Arzumanov, Vagan | | | 1885 | GEO | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Marshania, Nino | | | 1615 | GEO | 0.50 | 1 | -0.15 | 25 | -3.75 | | | Trapaidze, Lizi | | | 1584 | GEO | 0.50 | 1 | -0.19 | 25 | -4.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Tigran Petrosian Memorial | Tbilisi | GEO | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1726 | 2.50 | 6 | 1.32 | 25 | 33.00 | |
| | Janiashvili, Irakli | | | 2076 | GEO | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Chkuaseli, Revaz | | | 1821 | GEO | 1.00 | 1 | 0.63 | 25 | 15.75 | | | Beradze, Irakli | | | 2076 | GEO | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Tsomaia, Merab | | | 1823 | GEO | 1.00 | 1 | 0.63 | 25 | 15.75 | | | Khelaia, Giorgi | | | 2076 | GEO | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Ter-Karapetian, Armen | | | 2076 | RUS | 0.00 | 1 | -0.11 | 25 | -2.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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